55973domain: NAppears in sequencesInitial term of a series of exactly n consecutive non-Niven (or Harshad) numbers.at n=41A144378a(n)=sqrt(A145848(n)).at n=14A146991a(n) = Sum_{k=1..n} k^2*tau_3(k), where tau_3 is A007425.at n=23A319088